133021121401 has 8 divisors (see below), whose sum is σ = 152045455104. Its totient is φ = 114002116800.

The previous prime is 133021121383. The next prime is 133021121413. The reversal of 133021121401 is 104121120331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133021121401 - 2²¹ = 133019024249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133021121801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278640 + ... + 1378753.

It is an arithmetic number, because the mean of its divisors is an integer number (19005681888).

Almost surely, 2^133021121401 is an apocalyptic number.

It is an amenable number.

133021121401 is a deficient number, since it is larger than the sum of its proper divisors (19024333703).

133021121401 is an equidigital number, since it uses as much as digits as its factorization.

133021121401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664551.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 133021121401 its reverse (104121120331), we get a palindrome (237142241732).

The spelling of 133021121401 in words is "one hundred thirty-three billion, twenty-one million, one hundred twenty-one thousand, four hundred one".